#2D31BB#2D31BB
#2D31BB is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 41.8% C 0.209 H 271.7°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).
Color values
| HEX | #2D31BB |
|---|---|
| RGB | rgb(45, 49, 187) |
| HSL | hsl(238, 61%, 45%) |
| HSV | hsv(238, 76%, 73%) |
| CMYK | cmyk(75.9%, 73.8%, 0%, 26.7%) |
| CIE-LAB | lab(30.26, 45.36, -72.08) |
| CIE-LCH | lch(30.26, 85.16, 302.18°) |
| OKLab | oklab(41.79% 0.0061 -0.2087) |
| OKLCH | oklch(41.79% 0.209 271.7) |
| XYZ | xyz(11.1471, 6.3412, 47.6406) |
| Luminance | 0.0634 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 3.53
Blue Blue
#2242C7
ΔE00 5.00
Blue With A Hint Of Purple
#533CC6
ΔE00 5.32
Indigo Blue
#3A18B1
ΔE00 5.33
Ocean Blue
#4F42B5
ΔE00 5.56
Blurple
#5539CC
ΔE00 5.62
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2D31BB #BBB72D
analogous
#2D78BB #2D31BB #702DBB
triadic
#2D31BB #BB2D31 #31BB2D
tetradic
#2D31BB #BB2D78 #BBB72D #2DBB70
square
#2D31BB #BB2D78 #BBB72D #2DBB70
split-complementary
#2D31BB #BB702D #78BB2D
monochromatic
#151758 #21248A #2D31BB #5054D5 #8284E1
Accessibility & contrast
On white
9.26
#2D31BB on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.27
#2D31BB on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2D31BB
9.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2D31BB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2D31BB | 1.00 | 9.26 | 2.27 | 9.26 |
| #FFFFFF | 9.26 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.27 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.26 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004EBF
Deuteranopia (green-blind)
#0040B9
Tritanopia (blue-blind)
#005973
Achromatopsia (no color)
#474747
Design tokens & code
CSS
--color: #2d31bb; /* rgb */ color: rgb(45, 49, 187); /* oklch */ color: oklch(41.8% 0.209 271.7);
Tailwind
colors: {
custom: {
50: '#7e6bd1',
500: '#2d31bb',
950: '#000000',
},
}SCSS
$custom: #2d31bb; $custom-light: #7e6bd1; $custom-dark: #000000;
JSON
{
"hex": "#2d31bb",
"rgb": {
"r": 45,
"g": 49,
"b": 187
},
"hsl": {
"h": 238.31,
"s": 61.207,
"l": 45.49
},
"oklch": {
"l": 0.41791,
"c": 0.20875,
"h": 271.7
},
"luminance": 0.06342
}Semantic roles & 50–950 ramp
primary
#2D31BB
secondary
#CAC87A
accent
#E043E4
background
#F8F6FD
surface
#F0EBFA
border
#CBC6D3
text
#0C0714
muted
#7D7A83